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Finding the Fourth Proportional to 322,587.63, 445,145.72 and 179,338.95

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Solution

The fourth proportional to 322,587.63, 445,145.72 and 179,338.95 is: 247,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,587.63 : 445,145.72 = 179,338.95 : x
  2. Step 2: Convert to fraction form
    322,587.63/445,145.72 = 179,338.95/x
  3. Step 3: Cross multiply
    322,587.63x = 445,145.72 × 179,338.95
  4. Step 4: Simplify right side
    322,587.63x = 79,831,965,125.10
  5. Step 5: Solve for x
    x = 79,831,965,125.10/322,587.63
  6. Step 6: Final answer
    x = 247,473.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.